.pop_windows {
  position: fixed;
  left: 20%;
  top: 35%;
  z-index: 99;
}
.pop_windows img {
  width: 80%;
}
.pop_windows a .online_btn {
  position: absolute;
  width: 40%;
  height: 30px;
  margin-top: -35px;
}
.pop_windows a .phone_btn {
  position: absolute;
  width: 40%;
  height: 30px;
  margin-top: -35px;
  margin-left: 40%;
}
.pop_windows a .phone2_btn {
  position: absolute;
  width: 18%;
  height: 25px;
  margin-top: -121px;
  margin-left: 55%;
}
.pop_windows .close_btn {
  position: absolute;
  margin-top: -198px;
  width: 15%;
  margin-left: 72%;
}